With this act there are the following benefits a Saving money from the reduced energy bills of the building b Improvement of living conditions in the building c Protection of the environment from the use of less fuels that pollute the environment during their lifetime and use d Reduction of CO2 emissions e Reduction of secondary phenomena such as the city heat island etc. Stimulation of work and trade especially at local level g Sensitization of citizens for energy savings The saved energy per unit area is 65660 kwhm2 which means savings 2962007958 kWh for the whole building With this proposal incorporated technologies RES heat pumps cooling heat pumps ZNX selective collectors ZNX photovoltaic generatorAfter the energy upgrade of the building as resulting from all the proposed interventions and shown by the energy certificate through the upgrade scenario the building will belong to category B